Question

y^2-z^2+4y+4z
solve
and give explanation for answer​

Answer 1

Answer:

HERE IS YOUR ANSWER...

Step-by-step explanation:

A) x

A) x 2

A) x 2 +y

A) x 2 +y 2

A) x 2 +y 2 +z

A) x 2 +y 2 +z 2 -2x-4y+2z-3=0 (x−1) 2 +(y−2) 2 +(z+1) 2 -9=0